5-3
Connecting TM I/O to PCS 7
C79000-G8076-C710-04
The TPM 478-2 interface module connects existing TELEPERM M I/O hard-
ware of the basic and expansion cabinet of an AS 220/230/235 system.
Here, the basic central unit is replaced by a preinstalled module rack - na-
mely the migration rack - equipped with a PCS7/TM (supplemented by
TPM 478-2 and FM456-4 components).
Data are exchanged with existing expansion units via I/O bus A and B of
TPM 478-2 (connection via TPM 478-2 and migration rack. See Figure 5-1).
PROFIBUS /
Ethernet
PCS7/TM
I/O bus A
I/O bus B
Basic cabinet
Expansion cabinet
TPM478-2
Migration rack
AS 220/230/235
PS
CPU416-2DP
TPM Interface module
PS Power supply module
CPU
Central processing unit
FM456-4
CP443-5 /
CP443-1
Figure 5-1 TPM 478-2 for the connection of TELEPERM M I/O modules
Connecting
TELEPERM M I/O
Interface module TPM 478-2
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